Quiz: The Spinal Cord

1. The spinal cord passes through the __________.
a. foramen ovale
b. foramen magnum
c. foramen rotundum
2. The conus medullaris is the tapering point at the end of the spinal cord. It is located at approximately __________.
a. L1/ L2
b. L3/ L4
c. L5/ L6
3. The tail end of the spinal cord is not “hanging loose.” It is actually anchored via the __________, which connects to the coccyx bone.
a. cauda equina
b. filum terminale
c. conus medullaris
4. How many plexus groups branch off the spinal cord?
a. 3
b. 4
c. 5
5. Which of the following spinal cord regions are NOT involved with a plexus formation?
a. cervical
b. thoracic
c. lumbar
6. The cauda equina are nerves that branch off the spinal cord in which of the following areas?
a. superior end
b. lateral edges
c. inferior end
7. What is the name of the structures that hold the spinal cord in position within the vertebral foramen?
a. filum terminale
b. dorsal root ganglia
c. denticulate ligaments
8. Which of the following transmits information from the spinal cord to the extremities of the body?
a. ventral roots
b. dorsal roots
c. dorsal root ganglia
9. Fasciculi are bundles of nerve tracts associated with __________.
a. the gray matter of the spinal cord
b. the white matter of the spinal cord
c. the gray commissure of the spinal cord
10. The spinal cord consists of ascending tracts of axons and descending tracts of axons. Which of the following are correct in reference to those tracts?
a. The ascending tracts are found in the white matter and transmit sensory information. The descending tracts are found in the gray matter and transmit motor information.
b. The ascending tracts are found in the gray matter and transmit sensory information. The descending tracts are found in the white matter and transmit motor information.
c. Both tracts are found in the white matter. The ascending tract transmits sensory information while the descending tracts transmit motor information.

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